Construction&colon;Aluminum 1350 wires are concentrically stranded and wrapped helically around a central wire&period; Each successive layer has six wires more than the previous underlying layer&period; Outer layer is right hand lay and reversed in successive layers&period; AAC&lpar;All aluminum conductor&rpar; is the most economical bare overhead conductor due to its lighter weight&period; It offers easier handing during installation and use of simpler fittings&period; The conductor is corrosion resistant due to its homogeneous construction&period;